{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950210,-0.311611,0.000000,0.000000,0.173903,-0.530290,0.829789,0.000000,-0.258029,0.786818,0.560659,0.000000,-1647476.761265,5023722.534395,3555763.391589,1],    "boundingVolume": {    "region": [1.887635,0.595123,1.887734,0.595240,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453901.b3dm"}}}